50W Power Resistors, RTO 50 Series

The Vishay / Sfernice RTO 50 Series high power 50W Power Resistors utilize thick film technology and the compact and easy to mount TO-220 package. The RTO50 series features high power to size ratio, ohmic value adjustment by sand trimming, and non-inductive element. The Vishay / Sfernice RTO 50 series 50W Power Resistors are RoHS compliant to directive 2002/95/EC.

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Dami RoHS ECAD Model Series
Resistance
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Vishay / Sfernice Thick Film Resistors - Through Hole 50W 30ohms 5%
Datasheet
43May Stock
Min.: 1
Mult.: 1

RTO50F 30 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Power Resistors Thick Film Power Resistor 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 22ohm 5%
Datasheet
873May Stock
Min.: 1
Mult.: 1

RTO50F 22 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 150U 1% TU50 e1
Datasheet
20May Stock
Min.: 1
Mult.: 1
RTO50F 150 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 47U 1% TU50 e1
Datasheet
29May Stock
Min.: 1
Mult.: 1

RTO50F 47 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 5 OHM 1% 150PPM 50W
Datasheet
50May Stock
Min.: 1
Mult.: 1

RTO50F 5 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 6K8 5% TU50 e1
Datasheet
21May Stock
Min.: 1
Mult.: 1

RTO50F 6.8 kOhms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 22U 1% TU50 e1
Datasheet
40May Stock
Min.: 1
Mult.: 1
RTO50F 22 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 33U 1% TU50 e1
Datasheet
47May Stock
Min.: 1
Mult.: 1
RTO50F 33 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 16U 1% TU50 e1
Datasheet
13May Stock
50Inaasahan 9/17/2026
Min.: 1
Mult.: 1

RTO50F 16 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 2.55 OHM 1% 150PPM 50W
Datasheet
27May Stock
Min.: 1
Mult.: 1

RTO50F 2.55 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 50U 1% TU50 e1
Datasheet
35May Stock
Min.: 1
Mult.: 1

RTO50F 50 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 4K3 5% TU50 e1
Datasheet
40May Stock
Min.: 1
Mult.: 1

RTO50F 4.3 kOhms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 2.2ohm 5%
Datasheet
99May Stock
Min.: 1
Mult.: 1

RTO50F 2.2 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 15U 1% TU50 e1
Datasheet
20May Stock
Min.: 1
Mult.: 1
RTO50F 15 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole RTO 50 F 6U98 1% TU50 e1
Datasheet
46May Stock
Min.: 1
Mult.: 1

RTO50F 6.98 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 10Kohms 5%
Datasheet
88May Stock
Min.: 1
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RTO50F 10 kOhms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 470ohms 5%
Datasheet
459May Stock
Min.: 1
Mult.: 1

RTO50F 470 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Power Resistors Thick Film Power Resistor 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 1.5ohms 5%
Datasheet
82May Stock
Min.: 1
Mult.: 1

RTO50F 1.5 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Power Resistors Thick Film Power Resistor 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 20Kohms 1%
Datasheet
18May Stock
Min.: 1
Mult.: 1

RTO50F 20 kOhms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Power Resistors Thick Film Power Resistor 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 8ohms 1%
Datasheet
42May Stock
Min.: 1
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RTO50F 8 Ohms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Power Resistors Thick Film Power Resistor 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W .15ohms 5%
Datasheet
68May Stock
Min.: 1
Mult.: 1

RTO50F 150 mOhms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Power Resistors Thick Film Power Resistor 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W .5ohms 1%
Datasheet
72May Stock
Min.: 1
Mult.: 1

RTO50F 500 mOhms 50 W 1 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube Non-Inductive Resistors 15 mm 0.8 mm 5.08 mm Power Resistors Thick Film Power Resistor 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 12ohm 5%
Datasheet
378May Stock
Min.: 1
Mult.: 1

RTO50F 12 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50W 47ohm 5%
Datasheet
379May Stock
850Inaasahan 7/28/2026
Min.: 1
Mult.: 1

RTO50F 47 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm
Vishay / Sfernice Thick Film Resistors - Through Hole 50watts 10ohms 5%
Datasheet
593May Stock
Min.: 1
Mult.: 1

RTO50F 10 Ohms 50 W 5 % 150 PPM / C - 55 C + 155 C 500 V 10.1 mm Radial Tube 15 mm 0.8 mm 5.08 mm Thick Film Resistors Leaded Power Resistor, Thick Film Technology 4.5 mm